initial commit

1 files changed, 106 insertions, 0 deletions

diff --git a/TempCalc/src/main.c b/TempCalc/src/main.c
new file mode 100644
index 0000000..ff44eca
--- /dev/null
+++ b/TempCalc/src/main.c
@@ -0,0 +1,106 @@
+#include <tice.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#define EnterKey 5
+#define maxline 22
+
+double fToC(double fahr);
+double cToF(double cel);
+double fToK(double fahr);
+double kToF(double kel);
+double getInput(void);
+void output(int operation);
+
+int main(void)
+{
+	while(true) {
+		os_ClrHome();
+
+		printf("TempCalc\nSelect:\n1. Fahrenheit to Celsius\n2. Celsius to Fahrenheit\n3. Fahrenheit to Kelvin\n4. Kelvin to Fahrenheit\n5. Exit");
+		uint16_t key = os_GetKey();
+
+		if(key == 147)
+			break;
+
+		output(key);
+		/* Waits for a key press */
+		while (!os_GetCSC());
+	}
+	os_ClrHome();
+	return 0;
+}
+
+void output(int operation)
+{
+	os_ClrHome();
+	double value = 0.0;
+	switch(operation) {
+		case 143:
+			printf("Fahrenheit to Celsius\n");
+			value = fToC(getInput());
+			break;
+		case 144:
+			printf("Celsius to Fahrenheit \n");
+			value = cToF(getInput());
+			break;
+		case 145:
+			printf("Fahrenheit to Kelvin\n");
+			value = fToK(getInput());
+			break;
+		case 146:
+			printf("Kelvin to Fahrenheit \n");
+			value = kToF(getInput());
+			break;
+		default: printf("Invalid");
+	}
+	printf("\nOutput: %f", value);
+}
+
+double getInput(void)
+{
+	uint8_t key, i = 0;
+	char number[maxline];
+	char *eptr;
+	double value = 0.0;
+
+	printf("Input: ");
+	while((key = os_GetKey()) != EnterKey) {
+		if(key == 141 || key == 140)
+			key--;
+		number[i] = (key - 142) + '0';
+		printf("%c", number[i++]);
+	}
+	number[i] = '\0';
+	value = strtod(number, &eptr);
+	return value;
+}
+
+double fToC(double fahr)
+{
+	double cel = 0;
+	cel = (5.0 / 9.0) * (fahr - 32.0);
+	return cel;
+}
+
+double fToK(double fahr)
+{
+	double kel = 0;
+	kel = fToC(fahr) + 273;
+	return kel;
+}
+
+double cToF(double cel)
+{
+	double fahr = 0;
+	fahr = (cel * (9.0 / 5.0)) + 32.0;
+	return fahr;
+}
+
+double kToF(double kel)
+{
+	double fahr = 0;
+	fahr = cToF(kel - 273);
+	return fahr;
+}